linux_aura: Bail early if we can't connect to the X11 server.

content/browser/gpu/gpu_process_host.cc

Index: content/browser/gpu/gpu_process_host.cc
diff --git a/content/browser/gpu/gpu_process_host.cc b/content/browser/gpu/gpu_process_host.cc
index 6a14017c05eec975aa7a563b24a62de1dbded6fc..423c18727fd412d6106f5580a32461ca5e11ab4d 100644
--- a/content/browser/gpu/gpu_process_host.cc
+++ b/content/browser/gpu/gpu_process_host.cc
@@ -54,6 +54,10 @@
 #include "ui/ozone/ozone_switches.h"
 #endif
 
+#if defined(USE_X11) && !defined(OS_CHROMEOS)
+#include "ui/gfx/x/x11_switches.h"
+#endif
+
 namespace content {
 
 bool GpuProcessHost::gpu_enabled_ = true;
@@ -954,6 +958,9 @@ bool GpuProcessHost::LaunchGpuProcess(const std::string& channel_id) {
 #if defined(USE_OZONE)
     switches::kOzonePlatform,
 #endif
+#if defined(USE_X11) && !defined(OS_CHROMEOS)
+    switches::kX11Display,
+#endif
   };
   cmd_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
                              arraysize(kSwitchNames));